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Ingredients

Ingredient Amount
Custer Feldspar 12.00
Hawthorne Missouri Fireclay (20-mesh screened) 26.00
Hawthorne Bond Fireclay (35 mesh) 13.00
Kentucky Stone Ball Clay 13.00
OM4 Ball Clay 26.00
Virginia Kyanite (100 mesh) 10.00
Add Amount
Firebrick Grog (48 mesh) 10.00

Instructions

Published in "Cone 10 Clay & Glazes" by Robert Briscoe, in the Oct 2015 issue of Ceramics Monthly.

High-fire stoneware clay body.

 
I sometimes add acetic acid (vinegar) to the water when mixing this clay body. I use about 1 cup to 1 gallon of water for an acidity of 5%. This helps to improve the clay's plasticity by neutralizing any sodium present in the water, as well as any that leaches from feldspars.

Shown here with a White Ash Glaze on the clay body.

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